Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
quartz crystal | Yes | No | No | No |
quartz | Yes | No | No | No |
quartz crystal (noun) | quartz (noun) |
---|---|
a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators | a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities |
colorless glass made of almost pure silica |